PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/23-23:12:30
G02     212.5          56.5               19.1 +/-    0.61      22.4 +/-    0.61  0.070 / 0.080
G06     84.0           80.1               15.0 +/-    0.54      15.2 +/-    0.54  0.060 / 0.070
G12     315.9          29.5               13.2 +/-    1.81      23.4 +/-    1.81  0.070 / 0.100
G17     53.8           34.5               12.6 +/-    0.69      20.2 +/-    0.69  0.060 / 0.090
G19     34.0           51.8               13.3 +/-    1.73      16.4 +/-    1.73  0.080 / 0.190
G24     269.8          42.5               16.2 +/-    1.80      22.6 +/-    1.80  0.080 / 0.210
G28     118.1          20.8               15.1 +/-    1.64      32.5 +/-    1.64  0.030 / 0.020